Home / 5,258.12-7,884.44-2,136.34

Finding the Fourth Proportional to 5,258.12, 7,884.44 and 2,136.34

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Solution

The fourth proportional to 5,258.12, 7,884.44 and 2,136.34 is: 3,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.12 : 7,884.44 = 2,136.34 : x
  2. Step 2: Convert to fraction form
    5,258.12/7,884.44 = 2,136.34/x
  3. Step 3: Cross multiply
    5,258.12x = 7,884.44 × 2,136.34
  4. Step 4: Simplify right side
    5,258.12x = 16,843,844.55
  5. Step 5: Solve for x
    x = 16,843,844.55/5,258.12
  6. Step 6: Final answer
    x = 3,203.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.